👉 A handheld fluid, often referred to as a handheld chemical or laboratory fluid, is a portable, user-friendly solution designed for quick and efficient chemical analysis or experimentation. Typically contained in a compact, lightweight device with a built-in pump, mixing chamber, and often a digital interface for measurement and data recording, these fluids can be used in various applications, from environmental monitoring to medical diagnostics. They are formulated with specific concentrations and additives to ensure accurate results across a range of conditions, making them indispensable tools for professionals who require rapid and reliable chemical analysis on the go.